All Executive Orders
Executive Order 13526Active

Classified National Security Information

Federal & State Law Editorial TeamLast reviewed: April 2026
Barack Obama
December 29, 2009
75 FR 707

Summary

Established the current framework for classifying, safeguarding, and declassifying national security information. Set automatic declassification timelines and strengthened oversight of the classification system.

Topics

classificationnational securitydeclassificationgovernment transparency

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